The Nature Conservancy in Delaware

The sun rises over the ocean in Rehoboth Beach creating an orange reflection in the water. — Delaware Coast The sun rises over the Delaware Coast, an important ecosystem for several iconic species like red knots and horseshoe crabs. © C Louis/iStock

Contact Us

Phone: 302-654-4707
Email: delaware@tnc.org
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Several Monarch butterflies rest on a shrub of yellow flowers.

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Stories of Impact

A view of snow falling on trees.

2025 Review: A Year of Conservation Results

A green, brown, and white spotted butterfly sits on a cluster of small white flowers.

10 Amazing Rare Species Found in Delaware

A wood thrush sits on a bare tree branch against a green background.

Best Birding Location in Delaware

Close up view of a pile of garbage. Discarded cans, glass bottles and plastic milk jugs and soda bottles are scattered across a thick pile of sticks, logs and broken wood.

Eight Ways to Reduce Waste

A group of horseshoe crabs pile on top of each other.

Horseshoe Crabs in the Delaware Bay

Kayaking at McCabe Enjoy a 2-mile paddle eastward to the dock at the McCabe Preserve where you can stop to enjoy a waterfront picnic. © Melisa Soysal/TNC

Explore Our Nature Preserves

From forests to the coastline, explore our nature preserves across the state of Delaware.

Find a Preserve Near You

Volunteers A volunteer places a tree shelter over a newly planted seedling for protection from deer. © John Hinkson / TNC

Volunteer With Us

Whether you join a workday or take on an ongoing role, there are many ways to volunteer with us in Delaware.

Explore Opportunities

More from Delaware

Learn more about our team and TNC's work across Delaware

Our Staff: Experts in Action

Meet some of the people who are working to create lasting solutions in Delaware and around the world.

Contact Us

Contact our team of 50+ staff members dedicated to making a difference in Delaware.

Latest Newsletter

Download our latest newsletter featured in the Summer 2025 Nature Conservancy magazine.

Research/Special Requests on TNC Preserves

Click here to apply for permission to conduct research or another special activity on a TNC Preserve.

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The sunsets over the Delaware Bay. — The Delaware Bayshore Rich in tradition and natural beauty, the Delaware Bayshore holds a proud history of families living, working and recreating along the coast. © Deb Felmey